commit d338fd6e949ef62e7eac4eb5c024059e02158b06

Author: Miroslav Lichvar <mlichvar@redhat.com>

Date:   Wed Jul 25 13:07:42 2018 +0200

    Replaced memcpy in SLang_getkey

    memcpy() is not defined for overlapping buffers, i.e. it may copy bytes

    in any direction. As SLMEMMOVE is not defined in slang, replace the

    SLMEMCPY call with a for loop.

diff --git a/src/slgetkey.c b/src/slgetkey.c

index 86e7946..d9bc678 100644

--- a/src/slgetkey.c

+++ b/src/slgetkey.c

@@ -40,13 +40,13 @@ unsigned int SLang_getkey (void)

    if (SLang_Input_Buffer_Len)

      {

-	unsigned int imax;

+	unsigned int i, imax;

 	ch = (unsigned int) *SLang_Input_Buffer;

 	SLang_Input_Buffer_Len--;

 	imax = SLang_Input_Buffer_Len;

-	SLMEMCPY ((char *) SLang_Input_Buffer,

-		(char *) (SLang_Input_Buffer + 1), imax);

+	for (i = 0; i < imax; i++)

+	  SLang_Input_Buffer[i] = SLang_Input_Buffer[i + 1];

      }

    else if (SLANG_GETKEY_ERROR == (ch = _pSLsys_getkey ())) return ch;